Showing 1790 products
![[Pre-owned] K18YG DIAMOND RING 0.65ct 14.7g #14](http://koufuku.jp/cdn/shop/files/2000000130026_4.jpg?v=1771316660&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.00ct 4.3g #11](http://koufuku.jp/cdn/shop/files/2000000106267_2.jpg?v=1768444653&width=480)
![[Used] K18YG DIAMOND RING D1.00ct 5.0g #15.5](http://koufuku.jp/cdn/shop/files/2000000133393_2.jpg?v=1779431732&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.00ct 5.0g #21](http://koufuku.jp/cdn/shop/files/2000000117539_2.jpg?v=1768882395&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.00ct 5.2g #10.5](http://koufuku.jp/cdn/shop/files/2000000133416_2.jpg?v=1771313065&width=480)
![[Used] K18YG DIAMOND RING D1.00ct 6.1g #13](http://koufuku.jp/cdn/shop/files/2000000130392_2.jpg?v=1771814676&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.11ct 5.4g #10](http://koufuku.jp/cdn/shop/files/2000000028545_2.jpg?v=1771658277&width=480)
![[Used] K18YG Diamond Ring D1.18ct 5.7g #9](http://koufuku.jp/cdn/shop/files/2000000134161_2.jpg?v=1779422024&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.20ct 10.9g #12.5](http://koufuku.jp/cdn/shop/files/2000000033624_2.jpg?v=1771665669&width=480)
![[Used] K18YG Diamond Ring D1.51ct 10.7g #12](http://koufuku.jp/cdn/shop/files/2000000121383_2.jpg?v=1771814764&width=480)
![[Pre-owned] K18YG DIAMOND RING 1.51ct 6.1g #11](http://koufuku.jp/cdn/shop/files/2000000023717_2.jpg?v=1768444653&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.62ct 6.1g #14](http://koufuku.jp/cdn/shop/files/2000000091686_2.jpg?v=1768446384&width=480)
![[Used] K18YG DIAMOND RING D1.70ct 4.4g #11](http://koufuku.jp/cdn/shop/files/2000000134437_2.jpg?v=1779431163&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.83ct 6.9g #12.5](http://koufuku.jp/cdn/shop/files/2000000133461_2.jpg?v=1771313066&width=480)
![[Used] K18YG Diamond Ring D2.00ct 5.2g](http://koufuku.jp/cdn/shop/files/2000000134246_2.jpg?v=1779427512&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[Pre-owned] K18YG DIAMOND RING D2.18ct 5.8g #11.5](http://koufuku.jp/cdn/shop/files/2000000069180_2.jpg?v=1771665042&width=480)
![[Used] K18YG DIAMOND RING Diamond Ring D2.50ct 6.5g #12](http://koufuku.jp/cdn/shop/files/2000000069500_2.jpg?v=1771814675&width=480)
![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)